linux-kernel - [PATCH] dmaengine: imx-dma: Remove a redundant memset() call

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Date:   Mon, 13 Mar 2023 22:52:31 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     vkoul@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com
Cc:     dmaengine@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] dmaengine: imx-dma: Remove a redundant memset() call

The desc->desc structure is already zeroed when 'desc' is kzalloc()'ed.
There is no need to clear it twice.

Remove the redundant memset().

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/dma/imx-dma.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/dma/imx-dma.c b/drivers/dma/imx-dma.c
index 3bffe3ecbd1b..ee864128334a 100644
--- a/drivers/dma/imx-dma.c
+++ b/drivers/dma/imx-dma.c
@@ -750,7 +750,6 @@ static int imxdma_alloc_chan_resources(struct dma_chan *chan)
 		desc = kzalloc(sizeof(*desc), GFP_KERNEL);
 		if (!desc)
 			break;
-		memset(&desc->desc, 0, sizeof(struct dma_async_tx_descriptor));
 		dma_async_tx_descriptor_init(&desc->desc, chan);
 		desc->desc.tx_submit = imxdma_tx_submit;
 		/* txd.flags will be overwritten in prep funcs */
-- 
2.32.0